When the action bar is yellow, watch out for:

• Power struggles; transformational issues and pressure.
• Very aggressive, impulsive, or rash behavior and actions.
• Lack of direction or desire to move forward; devious actions; unseen enemies & actions.
• Restrictions and limitations; severe frustration.
• Sudden upsets; unexpected or explosive actions and events; trying to do too much.
• Manufacturing, test, process, operations, or product problems.